==========================================================================
Ubuntu Security Notice USN-7467-1
April 28, 2025

libxml2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

It was discovered that the libxml2 Python bindings incorrectly handled
certain return values. An attacker could possibly use this issue to cause
libxml2 to crash, resulting in a denial of service. (CVE-2025-32414)

It was discovered that libxml2 incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause
libxml2 to crash, resulting in a denial of service. (CVE-2025-32415)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  libxml2                         2.12.7+dfsg+really2.9.14-0.4ubuntu0.1
  python3-libxml2                 2.12.7+dfsg+really2.9.14-0.4ubuntu0.1

Ubuntu 24.10
  libxml2                         2.12.7+dfsg-3ubuntu0.3
  python3-libxml2                 2.12.7+dfsg-3ubuntu0.3

Ubuntu 24.04 LTS
  libxml2                         2.9.14+dfsg-1.3ubuntu3.3
  python3-libxml2                 2.9.14+dfsg-1.3ubuntu3.3

Ubuntu 22.04 LTS
  libxml2                         2.9.13+dfsg-1ubuntu0.7
  python3-libxml2                 2.9.13+dfsg-1ubuntu0.7

Ubuntu 20.04 LTS
  libxml2                         2.9.10+dfsg-5ubuntu0.20.04.10
  python3-libxml2                 2.9.10+dfsg-5ubuntu0.20.04.10

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7467-1
  CVE-2025-32414, CVE-2025-32415

Package Information:
 
https://launchpad.net/ubuntu/+source/libxml2/2.12.7+dfsg+really2.9.14-0.4ubuntu0.1
  https://launchpad.net/ubuntu/+source/libxml2/2.12.7+dfsg-3ubuntu0.3
  https://launchpad.net/ubuntu/+source/libxml2/2.9.14+dfsg-1.3ubuntu3.3
  https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.7
  https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.10